MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF contains numerous embedded URLs that point to other PDF files hosted on various compromised websites. This behavior is characteristic of a link farm designed to distribute malicious content, likely for phishing or to download further malware. The ML classifier and ClamAV detection strongly indicate malicious intent.
Machine Learning
- Nyx PDF Classifier malicious score 0.9974
Heuristics 6
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ClamAV: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0 critical CLAMAV_DETECTIONClamAV detected this file as malware: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0
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PDF link farm points to compromised-WordPress upload storage medium PDF_COMPROMISED_CMS_UPLOAD_LINK_FARMPDF contains multiple clickable links, across many distinct hosts, whose targets are random-slug files parked in the upload directories of vulnerable WordPress form plugins (FormCraft, Super Forms). This is the hallmark of the 'free document/template' SEO phishing PDF family, which ranks for search queries and routes users into payload/redirect chains hosted on compromised sites. The PDF itself carries no exploit — the risk is the linked destinations.
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Small PDF is a non-clustered link farm on disposable hosting medium PDF_SEO_DISPOSABLE_LINK_FARMSmall PDF contains many clickable external PDF links spread thin across many distinct hosts (no single dominant host), corroborated by a utm_term SEO-redirector link and/or links parked on free/disposable content hosts. This is the 'free document/template' SEO phishing PDF family, which ranks for search queries and routes users into payload/redirect chains, rather than a normal document citation pattern. The PDF itself carries no exploit — the risk is the linked destinations.
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External URI info PDF_URIPDF contains an external URL action
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Object number defined twice with different bodies info PDF_DUPLICATE_OBJ_BODY_INCREMENTALThe same indirect object (N G) is defined more than once with different body bytes. First-wins and last-wins readers will resolve different content, which is a parser-confusion shape used by targeted PDFs. Body-only differences are common in benign incremental updates, so severity is raised only when the duplicate carries active content.
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Embedded URL info EMBEDDED_URLOne or more URLs were extracted from the document. The URL itself is not a detection — see the per-URL labels for which channel (macro, JS, link annotation, document body, ...) reached each URL.URL https://irlanc.ru/uplcv?utm_term=unable+to+see+phone+contacts+in+android PDF link annotation
- http://foreverymuslim.net/home1/forevev3/public_html/foreverymuslim/upload/file/43028100909.pdfIn PDF document text
- https://interior-mark.com/ckfinder/userfiles/files/doxabajadu.pdfIn PDF document text
- https://megacook.pt/site/upload/file/73501428588.pdfIn PDF document text
- https://www.hotelrestaurantmacarena.fr/ckfinder/userfiles/files/37555558249.pdfIn PDF document text
- http://turar-mussin.com/userfiles/File/70434899236.pdfIn PDF document text
- http://english-island.pl/wp-content/plugins/super-forms/uploads/php/files/37vgi8mven4ec5u8up17urt7e7/dulefonuworimitido.pdfIn PDF document text
- https://www.denisonlandscaping.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613919dd99145---bipin.pdfIn PDF document text
- https://www.intermediastudios.com.mx/wp-content/plugins/super-forms/uploads/php/files/693e3f3d8c2520826cdc09d0f79d1b01/11381376190.pdfIn PDF document text
- http://writtenmail.com/upload_images/file/48908217843.pdfIn PDF document text
- http://healhumanity.foundation/userfiles/file/99695419408.pdfIn PDF document text
- http://europavloeren.nl/siteimages/file/vipuvisiseleputeri.pdfIn PDF document text
- http://9jamail.com/FCKeditor/editor/filemanager/connectors/userfiles/file/12492050415.pdfIn PDF document text
- http://food-cloud.com/home/food-cloud/www/site/site/data/files/nutumojon.pdfIn PDF document text
- http://tandartsindex.nl/images/uploads/93380141314.pdfIn PDF document text
- http://thestarbusan.com/FileData/ckfinder/files/20210903_DF4BBF40DAE3E87F.pdfIn PDF document text
- https://xebecdesign.com/xebec/userfiles/file/zijefefi.pdfIn PDF document text
- http://digjamaica.com/app/webroot/files/98864269023.pdfIn PDF document text
- https://taichielite.com/louis/taichi/ckfinder/userfiles/files/nonalapoxixisirikabow.pdfIn PDF document text
- http://kd-council.com/upfile/files/43691722985.pdfIn PDF document text
- https://xanbiente.de/userfiles/file/46870524608.pdfIn PDF document text
- https://dfa-finanz.de/wp-content/plugins/formcraft/file-upload/server/content/files/16140b9020a485---34679016765.pdfIn PDF document text
- http://semihkerpiccilervesupersound.com/upload/file/2063763653.pdfIn PDF document text
- http://emaaravm.net/upload/files/bikigorek.pdfIn PDF document text
- http://nessie-vinylcare.com/file/nudajoxerakipowomuw.pdfIn PDF document text
- http://etcpremium.com/userfiles/files/gosemavoxora.pdfIn PDF document text
- http://www.w3.org/1999/02/22-rdf-syntax-ns#In PDF document text
- http://purl.org/dc/elements/1.1/In PDF document text
- http://ns.adobe.com/pdf/1.3/In PDF document text
- http://ns.adobe.com/xap/1.0/In PDF document text
- http://ns.adobe.com/xap/1.0/mm/In PDF document text
- http://ns.adobe.com/xap/1.0/rights/In PDF document text
- http://dejavu.sourceforge.netIn PDF document text
- http://dejavu.sourceforge.net/wiki/index.php/LicenseIn PDF document text
Extracted artifacts 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000ebb9.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEBB9 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off000103d0.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x103D0 | 10756 bytes |
SHA-256: 87526af4886c1fb15f48be377582778a88d8737ac815eae7056b5913f2065ff8 |
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font_02_sfnt_off00011c43.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11C43 | 17844 bytes |
SHA-256: 4cf458a1e33504ee1da09218608dbafa993af91f61cfec22d266e1fbdc24e277 |
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